/*
 * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */

package org.opendaylight.controller.cluster.datastore.shardstrategy;

import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;

/**
 * The role of ShardStrategy is to figure out which Shards a given piece of data belongs to
 */
public interface ShardStrategy {
  /**
   * Find the name of the shard in which the data pointed to by the specified path belongs in
   * <p>
   * Should return the name of the default shard DefaultShardStrategy.DEFAULT_SHARD
   * if no matching shard was found
   *
   * @param path The location of the data in the logical tree
   * @return
   */
  String findShard(YangInstanceIdentifier path);
}
